1277A - Happy Birthday Polycarp - CodeForces Solution


implementation *1000

Please click on ads to support us..

Python Code:

import sys
input = lambda : sys.stdin.readline().strip()
'''
╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬
╬╬        ▓▓     ▓▓      ╬╬
╬╬        ▓▓     ▓▓      ╬╬
╬╬        ▓▓█████▓▓      ╬╬
╬╬        ▓▓     ▓▓      ╬╬
╬╬        ▓▓     ▓▓      ╬╬
╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬
'''
for i in range(int(input())):
    n = input()
    x = len(n)
    y = (x-1)*9
    new_num = int("1"*x)
    z = int(n)//new_num
    print(z+y)

C++ Code:

#include<bits/stdc++.h>
using namespace std;
void solve(){
  
long long n;
cin>>n;
long long num=n;
int cnt=0;
long long dig=0;
while(n>0){
dig=n%10;
n=n/10;
cnt++;
}
long long digit=dig; 
long long ans=0;
if(cnt==1){
  cout<<dig<<endl;
  return;
}

 int count=cnt;
while(cnt>1){
  dig=dig*10+digit;
  cnt--;
}
if(num>=dig ){
  ans=9*(count-1)+digit;
  cout<<ans<<endl;
return;
}
else {
  ans=9*(count-1)+digit-1;
  cout<<ans<<endl;
return;
}


}



 








int main(){
  int t;
  cin>>t;
  while(t--){
  solve();

  }

}



Comments

Submit
0 Comments
More Questions

96A - Football
702B - Powers of Two
1036A - Function Height
443A - Anton and Letters
1478B - Nezzar and Lucky Number
228A - Is your horseshoe on the other hoof
122A - Lucky Division
1611C - Polycarp Recovers the Permutation
432A - Choosing Teams
758A - Holiday Of Equality
1650C - Weight of the System of Nested Segments
1097A - Gennady and a Card Game
248A - Cupboards
1641A - Great Sequence
1537A - Arithmetic Array
1370A - Maximum GCD
149A - Business trip
34A - Reconnaissance 2
59A - Word
462B - Appleman and Card Game
1560C - Infinity Table
1605C - Dominant Character
1399A - Remove Smallest
208A - Dubstep
1581A - CQXYM Count Permutations
337A - Puzzles
495A - Digital Counter
796A - Buying A House
67A - Partial Teacher
116A - Tram